 
Qualified Superior product
Application grade: Industrial Grade
CAS No. : 7601-54-9
Executive Standard : HG/T2517-93
Molecular Formula : Na3PO4·12H2O
Molecular Weight : 380.14
Properties:White or colorless crystalline free flowing solid, efflorescence in air,easily soluble in water,but insoluble in alcohol,its water solution is slightly alkaline,relative density at 1.62,melting point at 73.4℃.
Application:Used as a water softening agent in metallurgy/chemical/textile
/printing and dyeing/papermaking/electromechanical industries,cleaning
agent in electroplating,color fixer in fabric dyeing, photographic developer, mercerizing enhancer in fabric ,etc.
Specification :
| NO. |
Index |
Qualified Grade |
Superior Grade |
| 1 |
Appearance |
White or colorless crystalline free flowing solid |
White granular |
| 2 |
Main contents,% ≥ |
96.0 |
98.0 |
| 3 |
Phosphorus pentoxide (P2O5), %≥ |
18.3 |
18.3 |
| 4 |
Sodium oxide (Na2O), % ≥ |
15.5-19.0 |
15.5-19.0 |
| 5 |
Water insoluble,% ≤ |
0.1 |
0.1 |
| 6 |
Sulfate (SO4 ),% ≤ |
0.5 |
0.5 |
Packing & Storage : 25kg plastic woven bags, or as customer’s require;
Store at cool, ventilated and dry places. |
